Lennox PRODIGY M2 User Manual

16. Diagnostics
Page 63
PRODIGYT M2 UNIT CONTROLLER
ActionDisplay MessageCode
31
ALARM(31) STRIKE 3 UNIT SHUT-
DOWN S149
CHECK OVERFLOW SW
32
ALARM(32) COMP 1 FRZSTAT OPEN
S49
COMP OFF. CHECK FRZSTAT, AIR FLOW, CHARGE, COIL, FILTER, OUT-
SIDE TEMP
33
ALARM(33) STRIKE 3 COMP 1
FRZSTAT OPEN S49
COMP LOCKOUT. CHECK FRZSTAT, AIR FLOW, CHARGE, COIL, FILTER,
OUTSIDE TEMP
34
ALARM(34) COMP 2 FRZSTAT OPEN
S50
COMP OFF. CHECK FRZSTAT, AIR FLOW, CHARGE, COIL, FILTER, OUT-
SIDE TEMP
35
ALARM(35) STRIKE 3 COMP 2
FRZSTAT OPEN S50
COMP LOCKOUT. CHECK FRZSTAT, AIR FLOW, CHARGE, COIL, FILTER,
OUTSIDE TEMP
36
ALARM(36) COMP 3 FRZSTAT OPEN
S53
COMP OFF. CHECK FRZSTAT, AIR FLOW, CHARGE, COIL, FILTER, OUT-
SIDE TEMP
37
ALARM(37) STRIKE 3 COMP 3
FRZSTAT OPEN S53
COMP LOCKOUT. CHECK FRZSTAT, AIR FLOW, CHARGE, COIL, FILTER,
OUTSIDE TEMP
38
ALARM(38) COMP 4 FRZSTAT OPEN
S95
COMP OFF. CHECK FRZSTAT, AIR FLOW, CHARGE, COIL, FILTER, OUT-
SIDE TEMP
39
ALARM(39) STRIKE 3 COMP 4
FRZSTAT OPEN S95
COMP LOCKOUT. CHECK FRZSTAT, AIR FLOW, CHARGE, COIL, FILTER,
OUTSIDE TEMP
40
ALARM(40) RETURN AIR OVER
HEAT LIMIT RT16
HEAT ABOVE SETPOINT. CHECK SPACE CONDITIONS OR SENSOR
41
ALARM(41) RETURN AIR UNDER
COOL LIMIT RT16
COOL BELOW SETPOINT. CHECK SPACE CONDITIONS OR SENSOR
42
ALARM(42) UNIT SHUTDOWN S42
OR S135
CHECK EXT MTR OVERLOADS
43
ALARM(43) STRIKE 3 UNIT SHUT-
DOWN S42 OR S135
CHECK EXT MTR OVERLOADS
44
ALARM(44) GAS VALVE ON NO DE-
MAND GV1
UNIT OFF. GV1 POWER BUT NO DEMAND. CHECK GAS PRESS, GAS
VALVE
45
ALARM(45) GAS VALVE ON NO DE-
MAND GV3
UNIT OFF. GV3 POWER BUT NO DEMAND. CHECK GAS PRESS, GAS
VALVE
46 −
49
Reserved
50
ALARM(50) PRIMARY HEAT 1 LIMIT
OPEN S10
HEAT SECT 1 PRIMARY HEAT LIMIT OPEN. CHECK AIR FLOW, LIMIT,
AND WIRING.
51
ALARM(51) STRIKE 3 PRIMARY
HEAT 1 LIMIT OPEN S10
HEAT SECT 1 PRIMARY HEAT LIMIT OPEN. CHECK AIR FLOW, LIMIT,
AND WIRING.
52
ALARM(52) SECONDARY HEAT 1
LIMIT OPEN S21
HEAT SECT 1 SECONDARY HEAT LIMIT OPEN. CHECK AIR FLOW, LIMIT,
AND WIRING.
53
ALARM(53) STRIKE 3 SECONDARY
HEAT 1 LIMIT OPEN S21
HEAT SECT 1 SECONDARY HEAT LIMIT OPEN. CHECK AIR FLOW, FIL-
TER, LIMIT, AND WIRING.
54 ALARM(54) HEAT 1 ROLL OUT OPEN HEAT SECT 1 CHECK GAS ROLL OUT S47
ALARM(54) HEAT 1 S15 LIMIT OPEN HEAT SECT 1 LIMIT OPEN. CHECK AIR FLOW, LIMIT, AND WIRING.
55
ALARM(55) STRIKE 3 HEAT 1 ROLL
OUT OPEN
HEAT SECT 1 CHECK GAS ROLL OUT S47
ALARM(55) STRIKE 3 HEAT 1 S15
LIMIT OPEN
HEAT SECT 1 LIMIT OPEN. CHECK AIR FLOW, LIMIT, AND WIRING.
56 ALARM(56) HEAT 1 CAI SWITCH S18 HEAT SECT 1 CHECK COMBUSTION AIR MOTOR & PROOF SWITCH
57
ALARM(57) STRIKE 3 HEAT 1 CAI
SWITCH S18
HEAT SECT 1 OFF CHECK COMBUSTION AIR MOTOR & PROOF SWITCH
58
ALARM(58) HEAT 1 NO PROOF GAS
VALVE GV1
HEAT SECT 1 CHECK IGNITION CONTROL, FLAME PROOF, GV1, GAS
SUPPLY
59
ALARM(59) STRIKE 3 NO PROOF
GAS VALVE GV1
HEAT SECT 1 CHECK IGNITION CONTROL, FLAME PROOF, GV1, GAS
SUPPLY
60
ALARM(60) PRIMARY HEAT 2 LIMIT
OPEN S99
HEAT SECT 2 PRIMARY HEAT LIMIT OPEN. CHECK AIR FLOW, LIMIT,
AND WIRING.
61
ALARM(61) STRIKE 3 PRIMARY
HEAT 2 LIMIT OPEN S99
HEAT SECT 2 PRIMARY HEAT LIMIT OPEN. CHECK AIR FLOW, LIMIT,
AND WIRING.
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Lennox PRODIGY M2 Specifications

General

Brand	Lennox
Model	PRODIGY M2
Category	Controller
Language	English